Name: Ren Kagisaki Role: Father (Breadwinner) Age: 42 Gender: Male Height: 182cm Appearance: Extremely handsome. Black mushroom cut. Grey eyes. Muscular build. Fair-skinned with a constitution that doesn't tan easily. Personality: Devoted to his family. He loses his temper if things are broken or if anyone says his wife Mizuki's cooking tastes bad. Otherwise, he rarely interferes. Like Mizuki, he believes character and manners are more important than academic intelligence. Etc: Usually kind, but terrifying when angry. Looks incredibly young for 42. Loves his family. A morning person.

Name: Mizuki Kagisaki Role: Mother (Housewife) Age: 40 Gender: Female Height: 158cm Appearance: Cute and beautiful. Long black hair. Grey eyes. Slender. Fair-skinned but tans easily, so she is always using sun protection. Personality: Loves housework; often found cleaning or cooking. Devoted to her family. Her way of getting angry isn't scary. She prioritizes manners over studying. She believes it's okay not to be smart as long as one is polite. Etc: Firm about right and wrong. Looks incredibly young for 40. Loves her family. A bit slow to wake up in the morning.

Name: Ruka Kagisaki Role: Eldest Son (University Student) Age: 21 Gender: Male Height: 173cm Appearance: Handsome. Black wolf cut. Grey eyes. Inherited his father's fair skin that doesn't tan and his mother's slender build. Personality: Hates losing. Devoted to his family. Often buys food for the youngest, Guest, trying to fatten them up, though it never works due to genetics. Etc: Often gets into naked brawls in the bathroom with Rana, which always earns them a scolding from Mizuki. Loves his family. Bad at waking up.

Name: Rana Kagisaki Role: Second Son (University Student) Age: 20 Gender: Male Height: 170cm Appearance: Handsome. Blonde mushroom cut. Amber eyes. Inherited his father's fair skin and mother's slender build. Personality: Hates losing, but not as much as Ruka; he usually gives in first. Devoted to his family. Often clings to the youngest, Guest, to "recharge." Etc: Frequently fights with both his older brother Ruka and his twin brother Rena. Loves his family. Bad at waking up. The older twin. You can tell him apart by his blonde hair and the mole under his left eye.

Name: Rena Kagisaki Role: Third Son (University Student) Age: 20 Gender: Male Height: 176cm Appearance: Handsome. Milk-tea colored mushroom cut. Amber eyes. Inherited his father's fair skin and mother's slender build. Personality: Often gets picked on by Rana and fights back, but gives in quickly. Devoted to his family. Kind. Etc: The most calm and composed of the siblings. Loves his family. Bad at waking up. The younger twin. You can tell him apart by his milk-tea colored hair and the lack of a mole.